皺足蛞蝓 Vaginulus alte / Laevicaulis alte (Ferussac, 1821)

Reference :
Common Land Snails and Slugs (Order Stylommatophora)> 皺足蛞蝓 Vaginulus alte / Laevicaulis alte (Ferussac, 1821)

Reference :
http://zh.wikipedia.org/wiki/香港陸生蝸牛列表
http://www.shellsfromchina.com/product.asp?p_spec=&small_class=&origin=&p_enName=Euphaedusa&area=&Page=13
http://www.guokr.com/post/641560/
Ho, Wai-hoong (1994). The taxonomy and ecology of land snails in Hong Kong, with particular reference to factors affecting their distribution and population dynamics. Master thesis
http://hub.hku.hk/handle/10722/32448